Class Logger

Dispatches logged messages to channels.

Hierarchy

Logger

Implements

LogDispatcher

Index

Constructors

Properties

channels context? level log

Accessors

debugEnabled errorEnabled fatalEnabled infoEnabled traceEnabled warnEnabled

Methods

debug dispatch error fatal info openChannel reset trace warn

Constructors

constructor

new Logger(level?, context?): Logger
Creates the new Logger instance.
Parameters
- level: number = 0
  
  The minimum log level of messages that would be dispatched to channels.
- Optional context: any
  
  The context that is added to dispatched messages.
Returns Logger

Properties

channels

channels: LoggerChannel[] = []

The list of channels.

`Optional` context

context?: any

The context that is added to dispatched messages.

level

level: number = 0

The minimum log level of messages that would be dispatched to channels.

log

log: ((...args) => void) = ...

Type declaration

- (...args): void
- The alias for info.
  Parameters
  - Rest ...args: any[]
  Returns void

Accessors

debugEnabled

get debugEnabled(): boolean
Returns boolean

errorEnabled

get errorEnabled(): boolean
Returns boolean

fatalEnabled

get fatalEnabled(): boolean
Returns boolean

infoEnabled

get infoEnabled(): boolean
Returns boolean

traceEnabled

get traceEnabled(): boolean
Returns boolean

warnEnabled

get warnEnabled(): boolean
Returns boolean

Methods

debug

debug(...args): void
Log a fine-grained informational message that are most useful to debug an application.
Parameters
- Rest ...args: any[]
Returns void

dispatch

dispatch(level, args, context?): void
Parameters
- level: number
  
  The message severity level.
- args: any[]
  
  The array of arguments.
- context: any = ...
  
  The optional message context.
Returns void

Implementation of LogDispatcher.dispatch

error

error(...args): void
Log an error event that might still allow the application to continue running.
Parameters
- Rest ...args: any[]
Returns void

fatal

fatal(...args): void
Log a very severe error events that will presumably lead the application to abort.
Parameters
- Rest ...args: any[]
Returns void

info

info(...args): void
Log an informational message that highlight the progress of the application at coarse-grained level.
Parameters
- Rest ...args: any[]
Returns void

openChannel

openChannel(): LoggerChannel
Creates a new channel and appends it to this logger.

Returns LoggerChannel

reset

reset(level?): Logger
Deletes all channels from the logger and resets the log level.
Parameters
- level: number = 0
  
  The new log level.
Returns Logger
This logger instance.

trace

trace(...args): void
Log a finer-grained informational message than the debug, usually with a stack trace.
Parameters
- Rest ...args: any[]
Returns void

warn

warn(...args): void
Log a potentially harmful situation.
Parameters
- Rest ...args: any[]
Returns void